Seiko Cal. 6613 - 520

The Seiko 6613-520 represents an important milestone in Seiko's 1991 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-bb71779bd066]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1991

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