Seiko Cal. 5633 - 938

This Automatic model from 1972 features a 34mm Gold-Plated case. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-386fe75fb19b]

Also known as: Turtle, Monster

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1972

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