Seiko Cal. 3864 - 704

This Spring Drive model from 1974 features a 37mm Stainless Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-e1c9a4aca227]

Also known as: Monster, Pogue

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1974

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