Seiko Cal. 5642 - 309

The 5642-309 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-fdaef1e374d0]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1978

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