Seiko Cal. 6645 - 938

This Spring Drive model from 1965 features a 41mm Two-Tone case. It features a Silver dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-3c5e4d905412]

Also known as: Rally, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1965

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