Seiko Cal. 3863 - 637

The 3863-637 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-03ff431e063b]

Also known as: Silverwave, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1984

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