Seiko Cal. 6321 - 678

Released in 1989, the Cal. 6321 with design code 678 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-c592bb925d39]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1989

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