Seiko Cal. 4545 - 646

The Seiko 4545-646 represents an important milestone in Seiko's 1967 lineup. It features a Green dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-c72f1dd9b547]

Also known as: Monster, Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1967

Related Models

• Seiko 6266-611
• Seiko 4520-222
• Seiko 5210-176
• Seiko 7117-182
• Seiko 7119-717
• Seiko 4489-291
• Seiko 3882-767
• Seiko 4491-520
• Seiko 5640-494
• Seiko 5211-622
• Seiko 3885-603
• Seiko 6111-768