Seiko Cal. 0721 - 977

Seiko 0721-977

The Seiko 0721-977 represents an important milestone in Seiko's 1999 lineup. Powered by the 0721 caliber with 26j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-9cf66fa311f6]

Also known as: Samurai, Tuna

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
41mm
Case Thickness
13.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Burgundy
Jewels
26j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1999

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