Seiko Cal. 4438 - 581

This Hand-Winding model from 1965 features a 42mm Two-Tone case. With its 18mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-57995c668326]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1965

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