Seiko Cal. 4535 - 723

The Seiko 4535-723 represents an important milestone in Seiko's 1990 lineup. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-371a7ff72dc5]

Also known as: Helmet, Silverwave

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1990

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