Seiko Cal. 5684 - 344

The Seiko 5684-344 represents an important milestone in Seiko's 1977 lineup. Powered by the 5684 caliber with 20j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-5747b91c1da3]

Also known as: Helmet, Rally

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1977

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