Seiko Cal. 3850 - 728

The 3850-728 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3850 caliber with 32j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-18011124756a]

Also known as: UFO, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1986

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