Seiko Cal. 5631 - 360

This Solar model from 1998 features a 45mm Titanium case. Powered by the 5631 caliber with 35j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-fa6c0ba25331]

Also known as: Turtle, Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1998

Related Models

• Seiko 6152-226
• Seiko 0738-189
• Seiko 3897-318
• Seiko 3816-688
• Seiko 0763-725
• Seiko 0742-370
• Seiko 6690-921
• Seiko 3826-409
• Seiko 7063-199
• Seiko 6364-464
• Seiko 4513-640
• Seiko 6362-784