Seiko Cal. 5237 - 531

The Seiko 5237-531 represents an important milestone in Seiko's 1969 lineup. Powered by the 5237 caliber with 18j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-b5cc7ecf08ae]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1969

Related Models

• Seiko 4523-285
• Seiko 6381-839
• Seiko 5222-237
• Seiko 6695-341
• Seiko 6298-955
• Seiko 6334-498
• Seiko 6399-204
• Seiko 6297-232
• Seiko 5283-226
• Seiko 4524-614
• Seiko 0760-434
• Seiko 5611-703