Seiko Cal. 6230 - 653

The 6230-653 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6230 caliber with 24j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-cb2316e0e04a]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1986

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