Seiko Cal. 6366 - 998

The Seiko 6366-998 represents an important milestone in Seiko's 1973 lineup. Powered by the 6366 caliber with 25j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-21a260666d5d]

Also known as: Sea Horse, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1973

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