Seiko Cal. 5644 - 544

Seiko 5644-544

The 5644-544 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5644 caliber with 21j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-9c02142370b9]

Also known as: Turtle, Silverwave

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
44mm
Case Thickness
15.8mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Silver
Jewels
21j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1997

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seikata-wm-9c02142370b9