Seiko Cal. 3813 - 560

The 3813-560 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-7fca846f3300]

Also known as: Monster, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1976

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