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Some specifications for this reference are on file; the record is incomplete.

Seiko · Vintage

Chronograph 6138

Ref. 6138-8020 — “Panda

discontinuedRound-case two-registerPartially documentedLast reviewed Not yet reviewed

Missing informationCore fields not yet documented for this reference: Water resistance

Overview

Nickname
Panda
Production
1972–1978
Era
Round-case two-register
Status
discontinued

Case

Case diameter
40mm
Case material
Stainless steel or gold-tone plated
Construction
Round case with conventional lugs
Crystal
Hardlex
Crown
Crown at 3; pushers at 2 and 4

Dial & Hands

Dial
Ivory (steel) or black (gold-tone)
Lume
Tritium

Movement

Movement
Automatic chronograph
Caliber
6138B
Manufacturer
Seiko
Winding
automatic
Frequency
21,600 vph
Complications
Chronograph (30-minute and 12-hour totalisers), day-date