Seiko Cal. 4412 - 510

This Spring Drive model from 1970 features a 44mm PVD Black case. It features a Silver dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-0e736a304a07]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1970

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