Seiko Cal. 6171 - 657

This Spring Drive model from 1970 features a 44mm Titanium case. Powered by the 6171 caliber with 28j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-858ff17b8f1a]

Also known as: Panda, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1970

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