Seiko Cal. 6661 - 734

The Seiko 6661-734 represents an important milestone in Seiko's 1975 lineup. Powered by the 6661 caliber with 34j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-fc7cd775c61f]

Also known as: Monster, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1975

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