Seiko Cal. 4515 - 770

The Seiko 4515-770 represents an important milestone in Seiko's 1976 lineup. Powered by the 4515 caliber with 29j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-ceac0578c17f]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1976

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