Seiko Cal. 7031 - 540

The 7031-540 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-ca2e9ffb91cc]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1997

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