Seiko Cal. 4588 - 693

The 4588-693 is a sought-after Solar piece from Seiko's golden era. Powered by the 4588 caliber with 36j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-7219a49a154c]

Also known as: Helmet, World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1968

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