Seiko Cal. 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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