Seiko Cal. 0721 - 173

The Seiko 0721-173 represents an important milestone in Seiko's 1971 lineup. It features a Silver dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-d11880300e30]

Also known as: Turtle, Panda

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1971

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