Seiko Cal. 4538 - 810

Seiko 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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