Seiko Cal. 5257 - 166

The Seiko 5257-166 represents an important milestone in Seiko's 1996 lineup. Powered by the 5257 caliber with 27j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-d16f63ed3314]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1996

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