Seiko Cal. 6640 - 160

This Hand-Winding model from 1995 features a 46mm Two-Tone case. It features a Green dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-e0ce1bcea79b]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1995

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