Seiko Cal. 5645 - 406

Seiko 5645-406

The 5645-406 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5645 caliber with 36j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-047c6e631aa8]

Also known as: Monster, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
10.1mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Navy
Jewels
36j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1982

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