Seiko Cal. 4431 - 593

The 4431-593 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-e827227ca29f]

Also known as: Samurai, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1987

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