Seiko Cal. 3858 - 772

This Spring Drive model from 1977 features a 40mm Stainless Steel case. With its 21mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-61462d5f1515]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1977

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