Seiko Cal. 5644 - 328

Seiko 5644-328

The 5644-328 is a sought-after Solar piece from Seiko's golden era. Powered by the 5644 caliber with 30j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-d13ee31f0586]

Also known as: Turtle, Crown

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
8.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
150m
Dial Color
Champagne
Jewels
30j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1974

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