Seiko Cal. 3880 - 421

Seiko 3880-421

The 3880-421 is a sought-after Solar piece from Seiko's golden era. Powered by the 3880 caliber with 36j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-280a9d9451d6]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Solar
Case Material
Titanium
Case Width
34mm
Case Thickness
15.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Green
Jewels
36j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1979

Related Models

seikata-wm-280a9d9451d6