Seiko Cal. 5243 - 101

The Seiko 5243-101 represents an important milestone in Seiko's 1983 lineup. With its 18mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-5131c7fd4fad]

Also known as: Monster, Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1983

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