Seiko Cal. 6657 - 407

Released in 1976, the Cal. 6657 with design code 407 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-f88cd2bba112]

Also known as: Samurai, Panda

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1976

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