Seiko Cal. 3888 - 395

This Spring Drive model from 1977 features a 40mm Hardlex-Coated Steel case. With its 21mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-ab16cafed6d2]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1977

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