Seiko Cal. 7161 - 331

The Seiko 7161-331 represents an important milestone in Seiko's 1986 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-2492c8262e89]

Also known as: UFO, Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1986

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