Seiko Cal. 5637 - 508

This Solar model from 1986 features a 45mm PVD Black case. Powered by the 5637 caliber with 22j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-1f7a938d4c0f]

Also known as: Silverwave, World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1986

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