Seiko Cal. 4413 - 844

Seiko 4413-844

The Seiko 4413-844 represents an important milestone in Seiko's 1977 lineup. Powered by the 4413 caliber with 28j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-3d5ce77a7084]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
15.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
40m
Dial Color
Black
Jewels
28j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1977

Related Models

seikata-wm-3d5ce77a7084