Seiko Cal. 3816 - 191

The 3816-191 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-2bace524856e]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1968

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