Seiko Cal. 4416 - 648

The 4416-648 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4416 caliber with 26j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-6dfa059fc9fb]

Also known as: Samurai, Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1977

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