Seiko Cal. 7154 - 348

The 7154-348 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7154 caliber with 31j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-1707152b37e7]

Also known as: Bullhead, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1998

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