Seiko Cal. 0742 - 887

This Quartz model from 1974 features a 46mm Stainless Steel case. Powered by the 0742 caliber with 30j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-83d5225a3ff9]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1974

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