Seiko Cal. 5621 - 634

The Seiko 5621-634 represents an important milestone in Seiko's 1979 lineup. Powered by the 5621 caliber with 30j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-10b32377b985]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1979

Related Models

• Seiko 5241-273
• Seiko 6694-410
• Seiko 0748-287
• Seiko 0724-297
• Seiko 6218-795
• Seiko 7051-740
• Seiko 7149-896
• Seiko 7138-785
• Seiko 6148-127
• Seiko 5264-859
• Seiko 6683-546
• Seiko 6153-253