Seiko Cal. 5678 - 436

The 5678-436 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5678 caliber with 20j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-d0e38112ff40]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1982

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