Seiko Cal. 7177 - 733

The 7177-733 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-390eea3a46a5]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1965

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