Seiko Cal. 3866 - 565

The 3866-565 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-930b4cd1dae4]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1994

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