Seiko Cal. 6644 - 254

Released in 1998, the Cal. 6644 with design code 254 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-0cda5644bd21]

Also known as: Samurai, Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1998

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