Seiko Cal. 3877 - 125

The 3877-125 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-9f8fa4f15174]

Also known as: Bullhead, Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1993

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