Seiko Cal. 3854 - 166

This Spring Drive model from 1980 features a 42mm PVD Black case. It features a White dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-c47cd07f694f]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1980

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