Seiko Cal. 3815 - 155

Seiko 3815-155

This Hand-Winding model from 1991 features a 36mm PVD Black case. Powered by the 3815 caliber with 32j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-dbe3f11bded8]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
36mm
Case Thickness
15.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1991

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