Seiko Cal. 6645 - 905

This Hand-Winding model from 1978 features a 39mm Hardlex-Coated Steel case. It features a Black dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-5aef04a41f8e]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1978

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