Seiko Cal. 5614 - 646

The Seiko 5614-646 represents an important milestone in Seiko's 1972 lineup. Powered by the 5614 caliber with 21j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-884e977cf18a]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1972

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