Seiko Cal. 3813 - 407

Seiko 3813-407

This Solar model from 1977 features a 37mm Hardlex-Coated Steel case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-4037ced51bac]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
12.3mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
40m
Dial Color
Navy
Jewels
21j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1977

Related Models

seikata-wm-4037ced51bac