Seiko Cal. 6671 - 858

This Hand-Winding model from 1972 features a 41mm PVD Black case. It features a Black dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-bf2b99a8dfe6]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1972

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