Seiko Cal. 4563 - 785

The Seiko 4563-785 represents an important milestone in Seiko's 1991 lineup. Powered by the 4563 caliber with 31j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-e60b18c38a12]

Also known as: Sumo, Pogue

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1991

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