Seiko Cal. 7057 - 477

Seiko 7057-477

The Seiko 7057-477 represents an important milestone in Seiko's 1973 lineup. Powered by the 7057 caliber with 31j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-a37bb3d32340]

Also known as: Turtle

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
8.5mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
White
Jewels
31j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1973

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