Seiko Cal. 5644 - 584

The Seiko 5644-584 represents an important milestone in Seiko's 1982 lineup. It features a Champagne dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-9502f8b97c5a]

Also known as: World Timer, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1982

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