Seiko Cal. 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

• Seiko 7193-309
• Seiko 7111-664
• Seiko 0736-649
• Seiko 6238-215
• Seiko 4554-920
• Seiko 0780-989
• Seiko 5225-781
• Seiko 7154-602
• Seiko 0782-847
• Seiko 0757-167
• Seiko 4425-210
• Seiko 5236-532