Seiko Cal. 6321 - 978

The 6321-978 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-4eaa32cf84fb]

Also known as: Turtle, Shogun

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1977

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