Seiko Cal. 7127 - 889

This Spring Drive model from 1968 features a 36mm Stainless Steel case. Powered by the 7127 caliber with 23j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-6f2058218d63]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1968

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