Seiko Cal. 5691 - 243

This Quartz model from 1980 features a 39mm Two-Tone case. Powered by the 5691 caliber with 25j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-2fd1663bdb3f]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1980

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