Seiko Cal. 6366 - 444

The Seiko 6366-444 represents an important milestone in Seiko's 1976 lineup. Powered by the 6366 caliber with 27j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-c869228f4abc]

Also known as: Sumo, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1976

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