Seiko Cal. 4525 - 242

This Spring Drive model from 1993 features a 36mm Hardlex-Coated Steel case. Powered by the 4525 caliber with 36j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-be27aa465b33]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1993

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