Seiko Cal. 5680 - 304

The 5680-304 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5680 caliber with 35j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-4319da212c9c]

Also known as: Tuna, Arnie

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1988

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