Seiko Cal. 7177 - 843

The Seiko 7177-843 represents an important milestone in Seiko's 1982 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-accde81ff86d]

Also known as: Helmet, Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1982

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