Seiko Cal. 5663 - 676

The 5663-676 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5663 caliber with 28j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-9e7b405ba77d]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1976

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