Seiko Cal. 6655 - 740

The Seiko 6655-740 represents an important milestone in Seiko's 1974 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-33ec977a4d3f]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1974

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