Seiko Cal. 5650 - 765

This Spring Drive model from 1975 features a 46mm PVD Black case. Powered by the 5650 caliber with 24j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-4f17f7f63ac9]

Also known as: Sumo, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1975

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