Seiko Cal. 4450 - 307

The Seiko 4450-307 represents an important milestone in Seiko's 1973 lineup. It features a Silver dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-5df0dbc73539]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1973

Related Models

• Seiko 4541-775
• Seiko 6240-498
• Seiko 7156-753
• Seiko 5272-336
• Seiko 6112-575
• Seiko 0785-590
• Seiko 6354-650
• Seiko 6364-308
• Seiko 0787-684
• Seiko 7038-216
• Seiko 3829-231
• Seiko 6295-673