Seiko Cal. 6628 - 691

The 6628-691 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-e2a76a4746db]

Also known as: Rally, Silverwave

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1978

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