Seiko Cal. 6649 - 646

This Spring Drive model from 1983 features a 37mm Titanium case. It features a Silver dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-2c8fb9ec2bd7]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1983

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