Seiko Cal. 6646 - 386

This Automatic model from 1969 features a 34mm Titanium case. Powered by the 6646 caliber with 23j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-38048beba0b2]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1969

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