Seiko Cal. 5631 - 304

This Solar model from 1998 features a 41mm Two-Tone case. It features a Green dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-9b24ec72beb0]

Also known as: Rally, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1998

Related Models

• Seiko 4578-379
• Seiko 7048-670
• Seiko 6123-951
• Seiko 7020-993
• Seiko 0762-529
• Seiko 0743-215
• Seiko 6622-202
• Seiko 0780-192
• Seiko 4590-568
• Seiko 3844-726
• Seiko 7183-784
• Seiko 6133-564