Seiko Cal. 3865 - 331

The 3865-331 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-a35de515ea7d]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1995

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