Seiko Cal. 5666 - 837

This Solar model from 1989 features a 45mm PVD Black case. Powered by the 5666 caliber with 18j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-ca728fcb70ad]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1989

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