Seiko Cal. 3817 - 463

This Hand-Winding model from 1965 features a 45mm PVD Black case. Powered by the 3817 caliber with 35j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-e0fcb98001b3]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1965

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