Seiko Cal. 4431 - 807

The 4431-807 is a sought-after Hand-Winding piece from Seiko's golden era. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-31ae847fef13]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1992

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