Seiko Cal. 5615 - 151

This Spring Drive model from 1967 features a 45mm Two-Tone case. Powered by the 5615 caliber with 23j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-5220f7aa1bdc]

Also known as: Tuna, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1967

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