Seiko Cal. 4438 - 678

This Hand-Winding model from 1985 features a 42mm PVD Black case. With its 18mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-f60acfc34b07]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1985

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