Seiko Cal. 5657 - 618

Seiko 5657-618

This Hand-Winding model from 1965 features a 39mm Stainless Steel case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-bb9e25b0e885]

Also known as: Turtle

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
11.6mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Black
Jewels
21j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1965

Related Models

seikata-wm-bb9e25b0e885