Seiko Cal. 7172 - 279

This Hand-Winding model from 1978 features a 36mm Two-Tone case. Powered by the 7172 caliber with 27j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-1ba2b2bcca90]

Also known as: Tuna, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1978

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