Seiko Cal. 3881 - 448

The 3881-448 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3881 caliber with 23j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-74feaf5392df]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1996

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