Seiko Cal. 6379 - 655

The Seiko 6379-655 represents an important milestone in Seiko's 1981 lineup. Powered by the 6379 caliber with 35j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-e602cb05b964]

Also known as: Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1981

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