Seiko Cal. 6645 - 871

This Hand-Winding model from 1971 features a 41mm Hardlex-Coated Steel case. It features a Cream dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-7e5e598db8a9]

Also known as: Goldfeather, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1971

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