Seiko Cal. 7183 - 951

The Seiko 7183-951 represents an important milestone in Seiko's 1986 lineup. Powered by the 7183 caliber with 27j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-a3443f9bb4bf]

Also known as: Sumo, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1986

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