Seiko Cal. 6620 - 757

The Seiko 6620-757 represents an important milestone in Seiko's 1977 lineup. Powered by the 6620 caliber with 24j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-f9bbc29ffb89]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1977

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