Seiko Cal. 5621 - 137

The 5621-137 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5621 caliber with 36j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-56b51f6562d8]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1977

Related Models

• Seiko 5629-587
• Seiko 4589-826
• Seiko 6373-978
• Seiko 6256-805
• Seiko 0772-848
• Seiko 3823-700
• Seiko 3820-119
• Seiko 6286-743
• Seiko 7057-767
• Seiko 4489-146
• Seiko 6670-588
• Seiko 5695-908