Seiko Cal. 5251 - 492

This Hand-Winding model from 1969 features a 36mm Two-Tone case. It features a Navy dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-83c7535f22df]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1969

Related Models

• Seiko 5283-938
• Seiko 4570-924
• Seiko 6153-931
• Seiko 6178-152
• Seiko 4596-373
• Seiko 6169-999
• Seiko 5271-165
• Seiko 0765-812
• Seiko 0744-156
• Seiko 6182-925
• Seiko 5239-570
• Seiko 3817-219