Seiko Cal. 4431 - 875

The Seiko 4431-875 represents an important milestone in Seiko's 1988 lineup. Powered by the 4431 caliber with 22j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-86ebd797dafb]

Also known as: Pogue, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1988

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