Seiko Cal. 6230 - 320

The 6230-320 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6230 caliber with 25j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-575944c0aa2c]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1978

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