Seiko Cal. 6397 - 152

The 6397-152 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6397 caliber with 32j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-374bbde87395]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1988

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