Seiko Cal. 6658 - 446

The Seiko 6658-446 represents an important milestone in Seiko's 1977 lineup. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-7c6bce97793e]

Also known as: Rally, Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1977

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