Seiko Cal. 5642 - 568

The 5642-568 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-d89d5f1900a2]

Also known as: Sumo, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1968

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