Seiko Cal. 3865 - 749

This Hand-Winding model from 1985 features a 42mm Hardlex-Coated Steel case. With its 18mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-1d97ef0635ed]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1985

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