Seiko Cal. 3873 - 427

The Seiko 3873-427 represents an important milestone in Seiko's 1991 lineup. Powered by the 3873 caliber with 20j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-d3cba25dcb9e]

Also known as: Panda, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1991

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