Seiko Cal. 0730 - 661

This Hand-Winding model from 1972 features a 41mm Stainless Steel case. It features a Champagne dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-ade2b4000e89]

Also known as: Navigator, Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1972

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