Seiko Cal. 3873 - 657

The 3873-657 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-54019e298ba6]

Also known as: Monster, Golden Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1986

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