Seiko Cal. 4437 - 963

This Hand-Winding model from 1990 features a 37mm Two-Tone case. With its 20mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-55fa494e0ea3]

Also known as: Navigator, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1990

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