Seiko Cal. 0710 - 304

The Seiko 0710-304 represents an important milestone in Seiko's 1991 lineup. Powered by the 0710 caliber with 24j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-36e8bfc87a34]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1991

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