Seiko Cal. 4531 - 940

The 4531-940 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-fb9d5327ed35]

Also known as: Samurai, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1998

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