Seiko Cal. 7048 - 283

The Seiko 7048-283 represents an important milestone in Seiko's 1990 lineup. Powered by the 7048 caliber with 31j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-ad3452384a6c]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1990

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