Seiko Cal. 5661 - 684

The Seiko 5661-684 represents an important milestone in Seiko's 1978 lineup. Powered by the 5661 caliber with 32j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-c0607f343d7a]

Also known as: Pogue, Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1978

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