Seiko Cal. 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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