Seiko Cal. 5280 - 166

The Seiko 5280-166 represents an important milestone in Seiko's 1978 lineup. Powered by the 5280 caliber with 34j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-b83a5715e9a6]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1978

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