Seiko Cal. 6181 - 695

This Hand-Winding model from 1970 features a 41mm PVD Black case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-3f5c3bff9df3]

Also known as: Tuna, Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1970

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