Seiko Cal. 3865 - 921

Seiko 3865-921

The 3865-921 is a sought-after Solar piece from Seiko's golden era. Powered by the 3865 caliber with 24j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-b7fb4a5079e8]

Also known as: World Timer, Arnie

Specifications

Movement
Solar
Case Material
Titanium
Case Width
42mm
Case Thickness
11.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
170m
Dial Color
White
Jewels
24j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1978

Related Models

seikata-wm-b7fb4a5079e8