Seiko Cal. 3817 - 976

The Seiko 3817-976 represents an important milestone in Seiko's 1981 lineup. Powered by the 3817 caliber with 28j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-46500630b531]

Also known as: Monster, Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1981

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