Seiko Cal. 5640 - 962

Released in 1993, the Cal. 5640 with design code 962 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-bd8bf37100ff]

Also known as: Silverwave, World Timer

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1993

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