Seiko Cal. 6613 - 454

The Seiko 6613-454 represents an important milestone in Seiko's 1965 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-3e653f6ffce3]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1965

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