Seiko Cal. 5644 - 296

The 5644-296 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5644 caliber with 21j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-f293d78a34bb]

Also known as: Samurai, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1987

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