Seiko Cal. 6644 - 553

The 6644-553 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-c2bad1f9fe20]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1993

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