Seiko Cal. 7127 - 438

The Seiko 7127-438 represents an important milestone in Seiko's 1988 lineup. Powered by the 7127 caliber with 35j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-268b700d36e4]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1988

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