Seiko Cal. 3891 - 535

Seiko 3891-535

The Seiko 3891-535 represents an important milestone in Seiko's 1981 lineup. Powered by the 3891 caliber with 17j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-6e35b750d41c]

Also known as: Tuna, Bullhead

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
41mm
Case Thickness
8.1mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
40m
Dial Color
Cream
Jewels
17j
Frequency
36,000 bph
Power Reserve
65 hours
Year
1981

Related Models

seikata-wm-6e35b750d41c