Seiko Cal. 5630 - 851

The 5630-851 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-196ecc94ee3d]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1994

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