Seiko Cal. 4513 - 765

This Spring Drive model from 1973 features a 40mm Stainless Steel case. Powered by the 4513 caliber with 30j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-5c47998f97c8]

Also known as: Samurai, UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1973

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