Seiko Cal. 5645 - 516

The 5645-516 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-8aacfd566186]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1977

Related Models

• Seiko 4432-261
• Seiko 7133-658
• Seiko 7012-871
• Seiko 0723-640
• Seiko 6326-936
• Seiko 7133-585
• Seiko 6258-925
• Seiko 4417-675
• Seiko 7145-448
• Seiko 6212-168
• Seiko 6635-963
• Seiko 6379-105