Seiko Cal. 3870 - 804

The 3870-804 is a sought-after Hand-Winding piece from Seiko's golden era. With its 19mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-155ecd21eb64]

Also known as: Rally, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1985

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