Seiko Cal. 3850 - 205

The 3850-205 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3850 caliber with 26j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-546fa0082526]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1969

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