Seiko Cal. 5640 - 119

This Quartz model from 1974 features a 44mm Hardlex-Coated Steel case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-67307f50fd65]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1974

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