Seiko Cal. 6642 - 507

The 6642-507 is a sought-after Solar piece from Seiko's golden era. Powered by the 6642 caliber with 22j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-24827adc4fe5]

Also known as: Turtle, Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1991

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