Seiko Cal. 3877 - 192

The Seiko 3877-192 represents an important milestone in Seiko's 1998 lineup. Powered by the 3877 caliber with 36j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-115c3d7021fe]

Also known as: Helmet, Bellmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1998

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