Seiko Cal. 5648 - 566

The 5648-566 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5648 caliber with 28j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-5de361742e05]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1977

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