Seiko Cal. 6636 - 470

The 6636-470 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6636 caliber with 21j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-951c7d2506a5]

Also known as: Crown, Golden Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1997

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