Seiko Cal. 6620 - 555

The Seiko 6620-555 represents an important milestone in Seiko's 1994 lineup. Powered by the 6620 caliber with 35j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-b3a0cfb7a992]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1994

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