Seiko Cal. 6681 - 395

This Hand-Winding model from 1974 features a 37mm PVD Black case. It features a Green dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-272d95f8d08d]

Also known as: Helmet, Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1974

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