Seiko Cal. 4421 - 309

The 4421-309 is a sought-after Hand-Winding piece from Seiko's golden era. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-6285eedb9ac6]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

17j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1984

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