Seiko Cal. 5657 - 803

The Seiko 5657-803 represents an important milestone in Seiko's 1966 lineup. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-d27f9e4d7fcb]

Also known as: Panda, Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1966

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