Seiko Cal. 4525 - 830

Released in 1988, the Cal. 4525 with design code 830 was part of Seiko's domestic market collection. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-fb73aae6407b]

Also known as: Monster, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1988

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