Seiko Cal. 6651 - 172

This Hand-Winding model from 1968 features a 37mm Hardlex-Coated Steel case. It features a White dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-b0ba7f0e5f86]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1968

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