Seiko Cal. 6691 - 867

This Spring Drive model from 1994 features a 35mm PVD Black case. Powered by the 6691 caliber with 36j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-014ec5e5bb45]

Also known as: UFO, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1994

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