Seiko Cal. 3864 - 507

This Hand-Winding model from 1987 features a 44mm PVD Black case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-e072c687f56a]

Also known as: UFO, Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1987

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