Seiko Cal. 4557 - 227

This Hand-Winding model from 1971 features a 40mm Stainless Steel case. Powered by the 4557 caliber with 27j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-3cf690957751]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1971

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