Seiko Cal. 6657 - 713

This Solar model from 1989 features a 38mm Titanium case. Powered by the 6657 caliber with 28j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-06d97f4f2c07]

Also known as: Tuna, Navigator

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1989

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