Seiko Cal. 5657 - 100

Seiko 5657-100

The 5657-100 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5657 caliber with 29j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-1b5144440fef]

Also known as: Baby Tuna, Flighty

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
40mm
Case Thickness
14.9mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Burgundy
Jewels
29j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1972

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