Seiko Cal. 4431 - 890

The Seiko 4431-890 represents an important milestone in Seiko's 1987 lineup. Powered by the 4431 caliber with 33j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-b0b7717f881a]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1987

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