Seiko Cal. 5691 - 789

This Hand-Winding model from 1988 features a 39mm Two-Tone case. Powered by the 5691 caliber with 24j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-c6f629c4ccc3]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1988

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