Seiko Cal. 7088 - 521

The Seiko 7088-521 represents an important milestone in Seiko's 1965 lineup. Powered by the 7088 caliber with 36j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-0f36f312c6f0]

Also known as: Helmet, Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1965

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