Seiko Cal. 3831 - 145

Seiko 3831-145

This Automatic model from 1970 features a 38mm Stainless Steel case. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-9f1589ed096b]

Also known as: Helmet, Arnie

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
9.5mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
150m
Dial Color
Green
Jewels
25j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1970

Related Models

seikata-wm-9f1589ed096b