Seiko Cal. 4487 - 138

This Solar model from 1979 features a 37mm Titanium case. It features a White dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-47bf473b0b27]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1979

Related Models

• Seiko 4545-334
• Seiko 5618-309
• Seiko 5252-611
• Seiko 6339-540
• Seiko 6155-207
• Seiko 6375-253
• Seiko 7067-727
• Seiko 4554-958
• Seiko 3889-559
• Seiko 6396-280
• Seiko 5666-923
• Seiko 6361-850