Seiko Cal. 4456 - 756

Seiko 4456-756

The Seiko 4456-756 represents an important milestone in Seiko's 1965 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-2d50f3697180]

Also known as: Helmet

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
39mm
Case Thickness
15.0mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1965

Related Models

seikata-wm-2d50f3697180