Seiko Cal. 3851 - 227

This Hand-Winding model from 1986 features a 46mm PVD Black case. It features a Navy dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-9b060d83af41]

Also known as: Helmet, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1986

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