Seiko Cal. 7183 - 431

The Seiko 7183-431 represents an important milestone in Seiko's 1988 lineup. Powered by the 7183 caliber with 21j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-c44bf8fa3ec6]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1988

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