Seiko Cal. 6383 - 305

The 6383-305 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-50c4dc332b40]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1973

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