Seiko Cal. 3865 - 850

This Hand-Winding model from 1993 features a 36mm Two-Tone case. It features a Blue Sunburst dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-d77f1fd3fe7b]

Also known as: Sportsmatic, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1993

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