Seiko Cal. 4427 - 357

This Hand-Winding model from 1982 features a 40mm Stainless Steel case. Powered by the 4427 caliber with 35j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-e71336e50960]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1982

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