Seiko Cal. 4538 - 810

This Quartz model from 1988 features a 39mm Hardlex-Coated Steel case. Powered by the 4538 caliber with 30j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-8abb8c018e06]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1988

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