Seiko Cal. 3815 - 578

Seiko 3815-578

This Spring Drive model from 1981 features a 38mm Gold-Plated case. With its 21mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-5e99ee5b154e]

Also known as: Turtle, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
13.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
110m
Dial Color
White
Jewels
30j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1981

Related Models

seikata-wm-5e99ee5b154e