Seiko Cal. 6316 - 635

The 6316-635 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-8269869b597e]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1984

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