Seiko Cal. 6691 - 573

This Hand-Winding model from 1988 features a 40mm Two-Tone case. It features a Green dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-c9b0cf1f92a7]

Also known as: Silverwave, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1988

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