Seiko Cal. 7027 - 417

The 7027-417 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7027 caliber with 36j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-a5dd1c130b4c]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1988

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