Seiko Cal. 5688 - 736

The Seiko 5688-736 represents an important milestone in Seiko's 1972 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-066c0f141848]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1972

Related Models

• Seiko 6629-659
• Seiko 3871-563
• Seiko 4497-882
• Seiko 4547-555
• Seiko 6226-286
• Seiko 6193-695
• Seiko 3895-309
• Seiko 5617-632
• Seiko 7181-739
• Seiko 7164-150
• Seiko 6612-948
• Seiko 4456-889