Seiko Cal. 6170 - 727

The 6170-727 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6170 caliber with 28j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-b0f16dd2d8b2]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1972

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