Seiko Cal. 0738 - 439

The 0738-439 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0738 caliber with 36j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-cbfe8ebb17ee]

Also known as: Sumo, Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1992

Related Models

• Seiko 4437-113
• Seiko 6128-484
• Seiko 6153-330
• Seiko 4433-631
• Seiko 6258-411
• Seiko 6357-250
• Seiko 0751-596
• Seiko 6299-216
• Seiko 7134-123
• Seiko 6397-512
• Seiko 4574-223
• Seiko 6627-625