Seiko Cal. 5231 - 597

Seiko 5231-597

The Seiko 5231-597 represents an important milestone in Seiko's 1981 lineup. Powered by the 5231 caliber with 25j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-3edd543683b6]

Also known as: Baby Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
10.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
60m
Dial Color
Green
Jewels
25j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1981

Related Models

seikata-wm-3edd543683b6