Seiko Cal. 4528 - 565

The Seiko 4528-565 represents an important milestone in Seiko's 1994 lineup. Powered by the 4528 caliber with 18j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-19a8440d97bf]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1994

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