Seiko Cal. 6658 - 718

The Seiko 6658-718 represents an important milestone in Seiko's 1981 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-20c4246d2cf1]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1981

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