Seiko Cal. 5664 - 232

The Seiko 5664-232 represents an important milestone in Seiko's 1986 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-591331f293f8]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1986

Related Models

• Seiko 0772-733
• Seiko 6152-431
• Seiko 7081-374
• Seiko 6335-656
• Seiko 5617-876
• Seiko 6236-606
• Seiko 6384-188
• Seiko 6270-946
• Seiko 7085-121
• Seiko 4454-307
• Seiko 7047-985
• Seiko 6134-394