Seiko Cal. 4478 - 543

This Automatic model from 1974 features a 40mm Gold-Plated case. Powered by the 4478 caliber with 31j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-673eca535557]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1974

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