Seiko Cal. 6675 - 163

This Hand-Winding model from 1975 features a 35mm PVD Black case. It features a Navy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-6bdab8407276]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1975

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