Seiko Cal. 3897 - 495

The 3897-495 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3897 caliber with 29j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-980b73535c11]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1978

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