Seiko Cal. 3881 - 993

The Seiko 3881-993 represents an important milestone in Seiko's 1979 lineup. Powered by the 3881 caliber with 28j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-0adfce168bcb]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1979

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