Seiko Cal. 3817 - 810

Seiko 3817-810

This Spring Drive model from 1986 features a 44mm Stainless Steel case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-dd9a93fe2118]

Also known as: World Timer, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
13.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Navy
Jewels
19j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1986

Related Models

seikata-wm-dd9a93fe2118