Seiko Cal. 7154 - 149

The Seiko 7154-149 represents an important milestone in Seiko's 1972 lineup. Powered by the 7154 caliber with 23j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-ecac555a549a]

Also known as: Sumo, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1972

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