Seiko Cal. 3881 - 371

Seiko 3881-371

The 3881-371 is a sought-after Solar piece from Seiko's golden era. Powered by the 3881 caliber with 31j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-961e049ced13]

Also known as: Panda, UFO

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
15.3mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1973

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