Seiko Cal. 3884 - 821

The Seiko 3884-821 represents an important milestone in Seiko's 1969 lineup. Powered by the 3884 caliber with 18j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-21698f8cfd09]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1969

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