Seiko Cal. 6221 - 763

The 6221-763 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-ee807ecc3053]

Also known as: Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1975

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