Seiko Cal. 3866 - 235

This Spring Drive model from 1980 features a 35mm Two-Tone case. With its 20mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-c8246fb84ce0]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1980

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