Seiko Cal. 4515 - 902

The Seiko 4515-902 represents an important milestone in Seiko's 1976 lineup. Powered by the 4515 caliber with 25j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-7057dd54deeb]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1976

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