Seiko Cal. 4431 - 475

The Seiko 4431-475 represents an important milestone in Seiko's 1980 lineup. Powered by the 4431 caliber with 25j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-a91cfdbc029a]

Also known as: Turtle, Monster

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1980

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