Seiko Cal. 4512 - 961

This Spring Drive model from 1990 features a 41mm PVD Black case. It features a Green dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-4fd50b129e58]

Also known as: Bullhead, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1990

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