Seiko Cal. 5285 - 311

Seiko 5285-311

The Seiko 5285-311 represents an important milestone in Seiko's 1974 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-a283e908f073]

Also known as: Helmet

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
14.0mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Green
Jewels
28j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1974

Related Models

seikata-wm-a283e908f073