Seiko Cal. 3850 - 705

This Hand-Winding model from 1972 features a 37mm Two-Tone case. With its 20mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-7d0ea21b8669]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1972

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