Seiko Cal. 6138 - 481

The Seiko 6138-481 represents an important milestone in Seiko's 1966 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-9627e6426426]

Also known as: Sumo, Shogun

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1966

Related Models

• Seiko 5295-403
• Seiko 6184-427
• Seiko 7198-640
• Seiko 4412-542
• Seiko 6183-566
• Seiko 6289-908
• Seiko 4549-206
• Seiko 7140-202
• Seiko 6166-512
• Seiko 5245-119
• Seiko 3843-478
• Seiko 6315-654