Seiko Cal. 6378 - 828

This Hand-Winding model from 1977 features a 35mm Stainless Steel case. With its 18mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-6c7ee75dd5a5]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1977

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