Seiko Cal. 5650 - 761

The Seiko 5650-761 represents an important milestone in Seiko's 1977 lineup. Powered by the 5650 caliber with 30j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-688c948b8342]

Also known as: Monster, Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1977

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