Seiko Cal. 6643 - 793

This Hand-Winding model from 1997 features a 37mm PVD Black case. It features a Silver dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-48a415007e4a]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1997

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