Seiko Cal. 3884 - 384

The Seiko 3884-384 represents an important milestone in Seiko's 1970 lineup. Powered by the 3884 caliber with 24j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-8ca52c065c4d]

Also known as: Tuna, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1970

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