Seiko Cal. 4531 - 423

The Seiko 4531-423 represents an important milestone in Seiko's 1997 lineup. Powered by the 4531 caliber with 22j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-db6f91fa02d4]

Also known as: Navigator, Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1997

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