Seiko Cal. 4491 - 651

This Spring Drive model from 1983 features a 43mm Gold-Plated case. Powered by the 4491 caliber with 24j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-a725b8af5d61]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1983

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