Seiko Cal. 5231 - 377

The 5231-377 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-609913afd29f]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1974

Related Models

• Seiko 6693-514
• Seiko 7081-162
• Seiko 4452-569
• Seiko 7025-342
• Seiko 0781-268
• Seiko 5619-158
• Seiko 6194-359
• Seiko 7155-381
• Seiko 6617-158
• Seiko 6618-414
• Seiko 7129-920
• Seiko 4412-959