Seiko Cal. 5618 - 135

This Spring Drive model from 1981 features a 42mm PVD Black case. It features a Cream dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-b797a8ae1dc3]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1981

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