Seiko Cal. 7027 - 850

The 7027-850 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7027 caliber with 19j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-4d3bf1599633]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1991

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