Seiko Cal. 6366 - 621

The Seiko 6366-621 represents an important milestone in Seiko's 1975 lineup. Powered by the 6366 caliber with 21j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-bfbee1b465fe]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1975

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