Seiko Cal. 6691 - 642

This Automatic model from 1994 features a 36mm PVD Black case. It features a Green dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-39c00a7c4403]

Also known as: UFO, Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1994

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