Seiko Cal. 3877 - 153

The 3877-153 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-5daf18cc12ec]

Also known as: Helmet, Bellmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1997

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