Seiko Cal. 6613 - 957

The Seiko 6613-957 represents an important milestone in Seiko's 1966 lineup. Powered by the 6613 caliber with 24j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-e9851c147b3a]

Also known as: Shogun, World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1966

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