Seiko Cal. 3856 - 250

This Hand-Winding model from 1972 features a 45mm PVD Black case. Powered by the 3856 caliber with 28j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-a1b654f07cac]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1972

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