Seiko Cal. 5657 - 454

The Seiko 5657-454 represents an important milestone in Seiko's 1978 lineup. It features a Navy dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-52d0934efd5f]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1978

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