Seiko Cal. 4463 - 831

This Spring Drive model from 1978 features a 35mm Two-Tone case. With its 19mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-63e9e2a9b73f]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1978

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