Seiko Cal. 5644 - 791

This Automatic model from 1975 features a 35mm Gold-Plated case. It features a Silver dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-2006e0bc030a]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1975

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