Seiko Cal. 5621 - 344

This Hand-Winding model from 1982 features a 37mm Two-Tone case. Powered by the 5621 caliber with 34j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-c376f9d7c110]

Also known as: Monster, Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1982

Related Models

• Seiko 4442-436
• Seiko 5297-210
• Seiko 6295-642
• Seiko 7023-434
• Seiko 6398-755
• Seiko 0789-723
• Seiko 7023-842
• Seiko 7039-142
• Seiko 5245-570
• Seiko 6684-319
• Seiko 5292-522
• Seiko 6654-897