Seiko Cal. 5646 - 977

The 5646-977 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-2a278d8f7acb]

Also known as: Goldfeather, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1975

Related Models

• Seiko 5229-975
• Seiko 5211-182
• Seiko 4461-191
• Seiko 6354-261
• Seiko 7138-259
• Seiko 4593-296
• Seiko 6145-974
• Seiko 7141-230
• Seiko 5671-994
• Seiko 6380-505
• Seiko 7068-926
• Seiko 5683-323