Seiko Cal. 0721 - 863

This Hand-Winding model from 1967 features a 44mm Two-Tone case. Powered by the 0721 caliber with 31j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-758361e130fa]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1967

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