Seiko Cal. 4412 - 657

The 4412-657 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4412 caliber with 22j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-85c64964492c]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1966

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