Seiko Cal. 6315 - 327

The 6315-327 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6315 caliber with 29j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-78081f307a48]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1969

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