Seiko Cal. 7154 - 123

The Seiko 7154-123 represents an important milestone in Seiko's 1976 lineup. Powered by the 7154 caliber with 35j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-f870e0f00313]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1976

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