Seiko Cal. 0721 - 547

The 0721-547 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-44ff5b6b4b59]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1967

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