Seiko Cal. 5697 - 645

Seiko 5697-645

The 5697-645 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5697 caliber with 27j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-af21d5275ae6]

Also known as: Monster, Navigator

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
40mm
Case Thickness
14.7mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Burgundy
Jewels
27j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1970

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