Seiko Cal. 6288 - 857

Released in 1971, the Cal. 6288 with design code 857 was part of Seiko's domestic market collection. Powered by the 6288 caliber with 22j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-4dc2bd467293]

Also known as: Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1971

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