Seiko Cal. 6318 - 660

The 6318-660 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-89c367a1e296]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1972

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