Seiko Cal. 0721 - 817

Seiko 0721-817

This Automatic model from 1977 features a 34mm Two-Tone case. Powered by the 0721 caliber with 27j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-be31f578b83e]

Also known as: Turtle

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
34mm
Case Thickness
14.9mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Silver
Jewels
27j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1977

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