Seiko Cal. 5621 - 703

The Seiko 5621-703 represents an important milestone in Seiko's 1983 lineup. Powered by the 5621 caliber with 21j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-bdbeb91ca552]

Also known as: Turtle, Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1983

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