Seiko Cal. 6395 - 550

The Seiko 6395-550 represents an important milestone in Seiko's 1970 lineup. Powered by the 6395 caliber with 32j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-0fa224770ff5]

Also known as: Monster, Sumo

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1970

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