Seiko Cal. 7144 - 230

This Spring Drive model from 1988 features a 36mm Titanium case. Powered by the 7144 caliber with 20j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-c5c07b0504e7]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1988

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