Seiko Cal. 7154 - 931

The 7154-931 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7154 caliber with 25j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-6a0ef777ce9f]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1993

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