Seiko Cal. 6610 - 621

This Spring Drive model from 1978 features a 41mm PVD Black case. It features a Cream dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-b199265eaff1]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1978

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