Seiko Cal. 6374 - 506

The 6374-506 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6374 caliber with 30j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-3ac5c978f145]

Also known as: Monster, Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1966

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