Seiko Cal. 3881 - 427

The 3881-427 is a sought-after Solar piece from Seiko's golden era. Powered by the 3881 caliber with 30j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-22176e05c87d]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1999

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