Seiko Cal. 4568 - 236

The Seiko 4568-236 represents an important milestone in Seiko's 1981 lineup. Powered by the 4568 caliber with 26j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-1c2af6744fa6]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1981

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