Seiko Cal. 7161 - 634

Released in 1971, the Cal. 7161 with design code 634 was part of Seiko's domestic market collection. Powered by the 7161 caliber with 33j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-0f0fc21faf11]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1971

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