Seiko Cal. 4515 - 280

The Seiko 4515-280 represents an important milestone in Seiko's 1971 lineup. Powered by the 4515 caliber with 27j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-4fe8b090fff7]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1971

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