Seiko Cal. 6649 - 665

The Seiko 6649-665 represents an important milestone in Seiko's 1987 lineup. It features a Green dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-4fef95c3e5de]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1987

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