Seiko Cal. 3856 - 425

The 3856-425 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3856 caliber with 31j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-47c4d30ea1ff]

Also known as: Tuna, Crown

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1986

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