Seiko Cal. 7187 - 280

This Hand-Winding model from 1984 features a 44mm Stainless Steel case. Powered by the 7187 caliber with 30j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-8b60910c95ef]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

30j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1984

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