Seiko Cal. 6683 - 177

This Spring Drive model from 1991 features a 36mm Titanium case. It features a Green dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-e6f216c3ccfb]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1991

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