Seiko Cal. 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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