Seiko Cal. 5230 - 138

The Seiko 5230-138 represents an important milestone in Seiko's 1980 lineup. Powered by the 5230 caliber with 31j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-a88c8035d762]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1980

Related Models

• Seiko 5261-258
• Seiko 0777-855
• Seiko 6367-149
• Seiko 7030-826
• Seiko 6183-446
• Seiko 4598-316
• Seiko 5227-288
• Seiko 6361-168
• Seiko 7142-503
• Seiko 7130-580
• Seiko 5247-885
• Seiko 4428-977