Seiko Cal. 7113 - 423

The Seiko 7113-423 represents an important milestone in Seiko's 1987 lineup. Powered by the 7113 caliber with 21j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-5ff3eb7db1b6]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1987

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