Seiko Cal. 5678 - 502

This Quartz model from 1972 features a 35mm Titanium case. Powered by the 5678 caliber with 34j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-7dd33db3fe81]

Also known as: Monster, Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1972

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