Seiko Cal. 5657 - 377

Seiko 5657-377

The 5657-377 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-5b5a274a8d32]

Also known as: Turtle, Sumo

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
38mm
Case Thickness
8.4mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
190m
Dial Color
Green
Jewels
25j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1983

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