Seiko Cal. 4510 - 189

This Hand-Winding model from 1982 features a 38mm PVD Black case. It features a Navy dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-182ebf697d0c]

Also known as: Bullhead, Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1982

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