Seiko Cal. 6665 - 308

This Hand-Winding model from 1989 features a 37mm Gold-Plated case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-eec6360692bc]

Also known as: Sumo, Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1989

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