Seiko Cal. 5638 - 403

This Spring Drive model from 1977 features a 41mm Two-Tone case. It features a Silver dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-b22442119fd1]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1977

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