Seiko Cal. 4413 - 689

Seiko 4413-689

The Seiko 4413-689 represents an important milestone in Seiko's 1971 lineup. Powered by the 4413 caliber with 36j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-f91f4dab3a28]

Also known as: Tuna, Sea Horse

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
10.7mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Black
Jewels
36j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1971

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