Seiko Cal. 7136 - 441

Released in 1970, the Cal. 7136 with design code 441 was part of Seiko's domestic market collection. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-bb9be6838b72]

Also known as: Navigator, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1970

Related Models

• Seiko 6685-468
• Seiko 7174-576
• Seiko 6650-591
• Seiko 6354-544
• Seiko 6362-562
• Seiko 6615-205
• Seiko 6312-435
• Seiko 0747-791
• Seiko 3864-804
• Seiko 5621-402
• Seiko 5257-691
• Seiko 5245-956