Seiko Cal. 5640 - 943

The 5640-943 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-661b1ca4a427]

Also known as: Panda, UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1988

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