Seiko Cal. 7031 - 436

This Hand-Winding model from 1966 features a 45mm Titanium case. It features a Navy dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-b611a5671409]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1966

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