Seiko Cal. 4428 - 356

The 4428-356 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4428 caliber with 19j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-a8c6d38e2cab]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1982

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