Seiko Cal. 7051 - 154

The Seiko 7051-154 represents an important milestone in Seiko's 1972 lineup. Powered by the 7051 caliber with 20j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-f0c4594b91d0]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1972

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