Seiko Cal. 7177 - 855

The 7177-855 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7177 caliber with 27j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-3babdef2a624]

Also known as: Sumo, UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1975

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