Seiko Cal. 5284 - 951

The 5284-951 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-5054b83e4994]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1968

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