Seiko Cal. 3878 - 545

This Hand-Winding model from 1968 features a 40mm Stainless Steel case. With its 22mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-8931f7de734f]

Also known as: UFO, Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1968

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