Seiko Cal. 3860 - 309

The 3860-309 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-ee9ebd50d89a]

Also known as: Monster, UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1989

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