Seiko Cal. 4451 - 640

This Spring Drive model from 1987 features a 46mm Stainless Steel case. It features a Black dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-25668cc60fec]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1987

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