Seiko Cal. 6633 - 699

This Hand-Winding model from 1966 features a 37mm Titanium case. It features a Navy dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-454c50688764]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1966

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