Seiko Cal. 3878 - 390

This Hand-Winding model from 1966 features a 42mm PVD Black case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-84f0293ddf4d]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1966

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