Seiko Cal. 6318 - 770

The 6318-770 is a sought-after Solar piece from Seiko's golden era. With its 20mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-3dbd0df0e226]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1997

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