Seiko Cal. 5644 - 613

Seiko 5644-613

The 5644-613 is a sought-after Solar piece from Seiko's golden era. Powered by the 5644 caliber with 22j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-4a718192f115]

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
9.8mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Navy
Jewels
22j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1973

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seikata-wm-4a718192f115