Seiko Cal. 5644 - 800

The Seiko 5644-800 represents an important milestone in Seiko's 1967 lineup. It features a Green dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-5f887d6b4be3]

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1967

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