Seiko Cal. 3897 - 156

Released in 1978, the Cal. 3897 with design code 156 was part of Seiko's domestic market collection. With its 21mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-a4ae9ce28cf8]

Also known as: Tuna, Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1978

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