Seiko Cal. 3857 - 566

The Seiko 3857-566 represents an important milestone in Seiko's 1967 lineup. Powered by the 3857 caliber with 29j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-4e5b82a5669e]

Also known as: Shogun, UFO

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1967

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