Seiko Cal. 6363 - 620

The 6363-620 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-f8aab847f2f0]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1977

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