Seiko Cal. 6649 - 545

This Solar model from 1967 features a 37mm Hardlex-Coated Steel case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-003cff3ee8cb]

Also known as: Sumo, Navigator

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1967

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