Seiko Cal. 6398 - 634

Released in 1999, the Cal. 6398 with design code 634 was part of Seiko's domestic market collection. Powered by the 6398 caliber with 21j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-d38adeba1ffd]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1999

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