Seiko Cal. 5644 - 508

The Seiko 5644-508 represents an important milestone in Seiko's 1974 lineup. It features a Green dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-aa177c9444f1]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1974

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