Seiko Cal. 5221 - 390

Seiko 5221-390

The Seiko 5221-390 represents an important milestone in Seiko's 1972 lineup. Powered by the 5221 caliber with 30j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-c3cb3f66acd3]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
40mm
Case Thickness
11.0mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
80m
Dial Color
Cream
Jewels
30j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1972

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