Seiko Cal. 0777 - 645

The 0777-645 is a sought-after Quartz piece from Seiko's golden era. It features a Champagne dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-e371162754f7]

Also known as: Sea Horse, Crown

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1969

Related Models

• Seiko 4557-147
• Seiko 6232-672
• Seiko 4434-958
• Seiko 6284-830
• Seiko 6269-971
• Seiko 3865-962
• Seiko 6157-773
• Seiko 3872-932
• Seiko 5665-714
• Seiko 4552-150
• Seiko 6694-115
• Seiko 6213-280