Seiko Cal. 5644 - 573

The Seiko 5644-573 represents an important milestone in Seiko's 1991 lineup. It features a Silver dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-b19d42291dba]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1991

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