Seiko Cal. 6310 - 320

The 6310-320 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6310 caliber with 34j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-bc758d0a0e2e]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1989

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