Seiko Cal. 4578 - 670

The 4578-670 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4578 caliber with 23j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-70044a0cd85a]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1990

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