Seiko Cal. 6643 - 220

This Automatic model from 1972 features a 44mm Hardlex-Coated Steel case. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-ea4cf4ea0bf3]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1972

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