Seiko Cal. 3813 - 230

Seiko 3813-230

The 3813-230 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-2945314d3a98]

Also known as: Helmet

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
14.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Black
Jewels
20j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1994

Related Models

seikata-wm-2945314d3a98