Seiko Cal. 3845 - 516

This Hand-Winding model from 1973 features a 37mm Hardlex-Coated Steel case. It features a Navy dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-1445460460d1]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1973

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