Seiko Cal. 3850 - 105

Seiko 3850-105

The 3850-105 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-422b8eb6b334]

Also known as: Monster, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
44mm
Case Thickness
9.6mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
180m
Dial Color
Navy
Jewels
35j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1982

Related Models

seikata-wm-422b8eb6b334