Seiko Cal. 4537 - 326

This Quartz model from 1981 features a 40mm Titanium case. With its 19mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-a38921740cdb]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1981

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