Seiko Cal. 6647 - 140

The Seiko 6647-140 represents an important milestone in Seiko's 1987 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-68f8ccbce488]

Also known as: UFO, Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1987

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