Seiko Cal. 6642 - 847

This Hand-Winding model from 1973 features a 45mm Hardlex-Coated Steel case. It features a Silver dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-fd6c7ee97490]

Also known as: UFO, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1973

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