Seiko Cal. 7177 - 744

The Seiko 7177-744 represents an important milestone in Seiko's 1989 lineup. It features a Black dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-8f4c744bd597]

Also known as: Sumo, Rally

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1989

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