Seiko Cal. 7128 - 275

The Seiko 7128-275 represents an important milestone in Seiko's 1983 lineup. Powered by the 7128 caliber with 33j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-2397080bf4ff]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1983

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