Seiko Cal. 4430 - 788

The Seiko 4430-788 represents an important milestone in Seiko's 1971 lineup. Powered by the 4430 caliber with 21j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-e4863f9719e3]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1971

Related Models

• Seiko 6170-344
• Seiko 7055-576
• Seiko 7197-230
• Seiko 4412-457
• Seiko 0776-464
• Seiko 6614-687
• Seiko 6674-483
• Seiko 6665-846
• Seiko 5293-524
• Seiko 5674-378
• Seiko 0772-409
• Seiko 5244-281