Seiko Cal. 7183 - 687

This Quartz model from 1977 features a 37mm Two-Tone case. Powered by the 7183 caliber with 34j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-6231c796eb43]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1977

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