Seiko Cal. 6645 - 850

The 6645-850 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6645 caliber with 35j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-d024c659d998]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1985

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