Seiko Cal. 6651 - 633

Released in 1987, the Cal. 6651 with design code 633 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-1a8da9d946d8]

Also known as: Navigator, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1987

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