Seiko Cal. 4527 - 423

The Seiko 4527-423 represents an important milestone in Seiko's 1971 lineup. It features a White dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-4066e68979f5]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1971

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