Seiko Cal. 4436 - 231

This Kinetic model from 1978 features a 35mm Titanium case. With its 18mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-721165b5c1d7]

Also known as: Turtle

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1978

Related Models

• Seiko 4445-794
• Seiko 5670-418
• Seiko 6215-801
• Seiko 6259-436
• Seiko 6619-259
• Seiko 6198-172
• Seiko 3852-153
• Seiko 5664-533
• Seiko 6361-229
• Seiko 4439-872
• Seiko 6156-641
• Seiko 6114-240