Seiko Cal. 6686 - 738

The 6686-738 is a sought-after Solar piece from Seiko's golden era. Powered by the 6686 caliber with 30j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-7782ab90d77d]

Also known as: Tuna, Panda

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1977

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