Seiko Cal. 3872 - 230

The 3872-230 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-dbd15a6e1bdd]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1974

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