Seiko Cal. 5644 - 350

Seiko 5644-350

Released in 1969, the Cal. 5644 with design code 350 was part of Seiko's domestic market collection. Powered by the 5644 caliber with 30j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-f4aa63f9af91]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
46mm
Case Thickness
10.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Champagne
Jewels
30j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1969

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