Seiko Cal. 6316 - 446

The 6316-446 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6316 caliber with 34j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-e517c6ffcdc4]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1981

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