Seiko Cal. 3897 - 620

Seiko 3897-620

The 3897-620 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-9f6d7a10ce64]

Also known as: Turtle, Helmet

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
15.7mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Silver
Jewels
29j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1977

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