Seiko Cal. 6650 - 591

This Hand-Winding model from 1967 features a 45mm Two-Tone case. It features a Cream dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-27422cd28f0c]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1967

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