Seiko Cal. 4527 - 542

The Seiko 4527-542 represents an important milestone in Seiko's 1994 lineup. Powered by the 4527 caliber with 21j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-c2cded3c82f1]

Also known as: Sumo, Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1994

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