Seiko Cal. 6657 - 222

The 6657-222 is a sought-after Solar piece from Seiko's golden era. With its 22mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-8b9efa0cd53c]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1970

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