Seiko Cal. 5257 - 691

Seiko 5257-691

This Spring Drive model from 1970 features a 39mm Two-Tone case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-f5b8f5503b38]

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
39mm
Case Thickness
15.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1970

Related Models

seikata-wm-f5b8f5503b38