Seiko Cal. 3815 - 913

Seiko 3815-913

This Hand-Winding model from 1990 features a 38mm Titanium case. Powered by the 3815 caliber with 28j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-d6198fe42f5c]

Also known as: Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
38mm
Case Thickness
10.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Black
Jewels
28j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1990

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