Seiko Cal. 3891 - 621

Released in 1965, the Cal. 3891 with design code 621 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 80m of water resistance. [seikata-wm-2fabbf385d08]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1965

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