Seiko Cal. 6636 - 875

The 6636-875 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-130ccb56bdbb]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1985

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