Seiko Cal. 5661 - 335

This Hand-Winding model from 1973 features a 38mm PVD Black case. With its 22mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-87ef8a90bc60]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1973

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