Seiko Cal. 3820 - 859

This Hand-Winding model from 1970 features a 40mm Hardlex-Coated Steel case. It features a White dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-b1e648a2a76e]

Also known as: Monster, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1970

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