Seiko Cal. 7149 - 774

The 7149-774 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7149 caliber with 28j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-8a29240aa900]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1973

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