Seiko Cal. 6649 - 156

This Hand-Winding model from 1970 features a 44mm Hardlex-Coated Steel case. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-f829b807d792]

Also known as: Sumo, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1970

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