Seiko Cal. 5657 - 252

Seiko 5657-252

This Hand-Winding model from 1966 features a 40mm Two-Tone case. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-866ae6c10cf8]

Also known as: Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
40mm
Case Thickness
15.5mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1966

Related Models

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