Seiko Cal. 0727 - 157

This Spring Drive model from 1979 features a 46mm Stainless Steel case. Powered by the 0727 caliber with 36j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-8df9791cdb75]

Also known as: Sumo, Shogun

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1979

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