Seiko Cal. 3820 - 378

Seiko 3820-378

The 3820-378 is a sought-after Solar piece from Seiko's golden era. Powered by the 3820 caliber with 33j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-510746f964de]

Also known as: Monster, Flighty

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
46mm
Case Thickness
8.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
120m
Dial Color
White
Jewels
33j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1987

Related Models

seikata-wm-510746f964de