Seiko Cal. 3810 - 613

Seiko 3810-613

This Hand-Winding model from 1981 features a 40mm Two-Tone case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-3a6fb95f34aa]

Also known as: Turtle, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
40mm
Case Thickness
12.7mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Champagne
Jewels
26j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1981

Related Models

seikata-wm-3a6fb95f34aa