Seiko Cal. 6627 - 370

The 6627-370 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6627 caliber with 34j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-82a6b4992cba]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1976

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