Seiko Cal. 7154 - 424

This Spring Drive model from 1972 features a 43mm Hardlex-Coated Steel case. It features a Navy dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-d1bd2cf5e939]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1972

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