Seiko Cal. 0727 - 855

The Seiko 0727-855 represents an important milestone in Seiko's 1970 lineup. Powered by the 0727 caliber with 17j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-463da156ee5a]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1970

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