Seiko Cal. 4540 - 310

The Seiko 4540-310 represents an important milestone in Seiko's 1978 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-67918d9e1343]

Also known as: Samurai, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1978

Related Models

• Seiko 5653-764
• Seiko 4531-386
• Seiko 5282-727
• Seiko 4530-494
• Seiko 6119-695
• Seiko 6290-815
• Seiko 7052-699
• Seiko 4518-320
• Seiko 6195-344
• Seiko 6370-711
• Seiko 4511-551
• Seiko 5265-132