Seiko Cal. 7177 - 701

The Seiko 7177-701 represents an important milestone in Seiko's 1966 lineup. Powered by the 7177 caliber with 32j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-af13bb6adf18]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1966

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