Seiko Cal. 6181 - 368

This Spring Drive model from 1968 features a 37mm Stainless Steel case. With its 22mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-1ccb2a53c615]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1968

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