Seiko Cal. 6221 - 556

The Seiko 6221-556 represents an important milestone in Seiko's 1978 lineup. It features a Navy dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-c4d4709b4b11]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1978

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