Seiko Cal. 6657 - 699

This Solar model from 1972 features a 44mm Titanium case. Powered by the 6657 caliber with 35j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-e9a8518ecbd4]

Also known as: Tuna, Panda

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1972

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