Seiko Cal. 0718 - 646

The 0718-646 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-fd17414ad135]

Also known as: Turtle, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1967

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