Seiko Cal. 5640 - 333

The Seiko 5640-333 represents an important milestone in Seiko's 1990 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-b3412b0dd8e8]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1990

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