Seiko Cal. 5623 - 763

The 5623-763 is a sought-after Solar piece from Seiko's golden era. Powered by the 5623 caliber with 34j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-c2a5cfbd199a]

Also known as: Rally, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1976

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