Seiko Cal. 6397 - 998

The 6397-998 is a sought-after Solar piece from Seiko's golden era. Powered by the 6397 caliber with 27j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-9b0e806cb7b2]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1993

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