Seiko Cal. 5691 - 924

This Solar model from 1987 features a 45mm Two-Tone case. With its 21mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-2d6bcd6f17a9]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1987

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