Seiko Cal. 0742 - 924

This Hand-Winding model from 1983 features a 36mm Two-Tone case. Powered by the 0742 caliber with 31j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-7fcf48d9386a]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1983

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