Seiko Cal. 4535 - 644

Seiko 4535-644

The 4535-644 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-86f08f307b53]

Also known as: Monster, Navigator

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
15.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Green
Jewels
25j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1989

Related Models

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