Seiko Cal. 4510 - 256

This Spring Drive model from 1979 features a 43mm Titanium case. It features a Black dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-439c416e9565]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1979

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