Seiko Cal. 4540 - 657

Seiko 4540-657

The Seiko 4540-657 represents an important milestone in Seiko's 1993 lineup. It features a Silver dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-fc51071f417d]

Also known as: Panda, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
39mm
Case Thickness
9.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Silver
Jewels
17j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1993

Related Models

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