Seiko Cal. 7145 - 812

The Seiko 7145-812 represents an important milestone in Seiko's 1998 lineup. It features a Black dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-c6ecadb91d69]

Also known as: Sumo, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1998

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