Seiko Cal. 6650 - 638

The 6650-638 is a sought-after Solar piece from Seiko's golden era. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-21613295b075]

Also known as: Tuna, Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1998

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