Seiko Cal. 6644 - 573

The 6644-573 is a sought-after Kinetic piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-d7a3b99b9bba]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1986

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