Seiko Cal. 4527 - 971

Released in 1983, the Cal. 4527 with design code 971 was part of Seiko's domestic market collection. It features a Cream dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-4bfc875146bd]

Also known as: Helmet, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1983

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