Seiko Cal. 5615 - 930

The 5615-930 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5615 caliber with 31j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-75b6eb6875d2]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1988

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