Seiko Cal. 4431 - 673

The 4431-673 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4431 caliber with 23j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-733cb4d36997]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1990

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