Seiko Cal. 5636 - 704

The Seiko 5636-704 represents an important milestone in Seiko's 1979 lineup. It features a Green dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-887f4d57f1e7]

Also known as: Bullhead, Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

34mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1979

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