Seiko Cal. 5637 - 689

This Solar model from 1997 features a 37mm Two-Tone case. Powered by the 5637 caliber with 32j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-8225cf5fe8df]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1997

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