Seiko Cal. 4577 - 421

This Kinetic model from 1981 features a 37mm Stainless Steel case. It features a Green dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-64bd34a57b59]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1981

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