Seiko Cal. 5681 - 642

The 5681-642 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5681 caliber with 30j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-71bc352446c1]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1994

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