Seiko Cal. 6658 - 659

The 6658-659 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6658 caliber with 30j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-d4599f92b32c]

Also known as: Golden Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1984

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