Seiko Cal. 5257 - 775

Seiko 5257-775

The Seiko 5257-775 represents an important milestone in Seiko's 1974 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-c9073bbbc99b]

Also known as: Navigator

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
9.0mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
27j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1974

Related Models

seikata-wm-c9073bbbc99b