Seiko Cal. 6645 - 768

This Automatic model from 1965 features a 43mm Two-Tone case. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-3075983bb60e]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1965

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