Seiko Cal. 5644 - 479

The Seiko 5644-479 represents an important milestone in Seiko's 1986 lineup. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-e0bc8ba51d59]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1986

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