Seiko Cal. 3877 - 933

Seiko 3877-933

The 3877-933 is a sought-after Solar piece from Seiko's golden era. Powered by the 3877 caliber with 25j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-233860d924ff]

Also known as: Helmet, World Timer

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
8.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Black
Jewels
25j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1991

Related Models

seikata-wm-233860d924ff