Seiko Cal. 6381 - 207

The 6381-207 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6381 caliber with 26j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-83f5676d2472]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1977

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