Seiko Cal. 5243 - 351

This Spring Drive model from 1988 features a 44mm Titanium case. Powered by the 5243 caliber with 24j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-cad2063ec48d]

Also known as: Monster, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1988

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