Seiko Cal. 7089 - 646

The Seiko 7089-646 represents an important milestone in Seiko's 1978 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-015aeb21fc04]

Also known as: Helmet, Goldfeather

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1978

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