Seiko Cal. 3850 - 670

This Spring Drive model from 1966 features a 39mm PVD Black case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-a0c0e5842984]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1966

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