Seiko Cal. 6650 - 304

The Seiko 6650-304 represents an important milestone in Seiko's 1987 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-667260a44905]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1987

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