Seiko Cal. 3851 - 239

The 3851-239 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-dca0ac1ba79d]

Also known as: Sumo, Pogue

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1987

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