Seiko Cal. 6170 - 731

This Hand-Winding model from 1974 features a 38mm Hardlex-Coated Steel case. It features a White dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-cfed54b53597]

Also known as: Helmet, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1974

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