Seiko Cal. 0771 - 509

Released in 1988, the Cal. 0771 with design code 509 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-dae48fa7acd7]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1988

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