Seiko Cal. 5678 - 357

The 5678-357 is a sought-after Solar piece from Seiko's golden era. Powered by the 5678 caliber with 27j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-31329ee78e59]

Also known as: Helmet, World Timer

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1997

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