Seiko Cal. 3877 - 692

The 3877-692 is a sought-after Solar piece from Seiko's golden era. Powered by the 3877 caliber with 33j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-3912e416f9b9]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1976

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