Seiko Cal. 5257 - 937

The 5257-937 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5257 caliber with 22j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-ccd27069721c]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

22j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1992

Related Models

• Seiko 3854-942
• Seiko 4547-347
• Seiko 5248-940
• Seiko 4550-860
• Seiko 7131-156
• Seiko 6139-384
• Seiko 3863-818
• Seiko 6362-236
• Seiko 6363-407
• Seiko 7019-992
• Seiko 5268-754
• Seiko 5249-915