Seiko Cal. 6650 - 727

The Seiko 6650-727 represents an important milestone in Seiko's 1990 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-8e04618bbbc7]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1990

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