Seiko Cal. 4443 - 407

The 4443-407 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4443 caliber with 21j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-6ba40b8b4e48]

Also known as: Panda, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1978

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