Seiko Cal. 6658 - 741

The Seiko 6658-741 represents an important milestone in Seiko's 1966 lineup. It features a Cream dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-55f4ad569569]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1966

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