Seiko Cal. 5237 - 581

The 5237-581 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5237 caliber with 32j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-3fa20ff7f6aa]

Also known as: Navigator, Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1986

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