Seiko Cal. 6337 - 690

The 6337-690 is a sought-after Solar piece from Seiko's golden era. Powered by the 6337 caliber with 31j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-058caa6397cf]

Also known as: Samurai, Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1970

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