Seiko Cal. 4433 - 938

This Hand-Winding model from 1978 features a 38mm Two-Tone case. Powered by the 4433 caliber with 21j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-5547e38749eb]

Also known as: Turtle, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1978

Related Models

• Seiko 4550-985
• Seiko 6151-893
• Seiko 4515-361
• Seiko 3892-853
• Seiko 6182-731
• Seiko 6679-530
• Seiko 6337-261
• Seiko 6318-850
• Seiko 6285-370
• Seiko 7186-355
• Seiko 6262-860
• Seiko 5248-941