Seiko Cal. 3851 - 305

This Spring Drive model from 1986 features a 40mm Two-Tone case. With its 19mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-e9ca802f1212]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1986

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