Seiko Cal. 3891 - 455

The Seiko 3891-455 represents an important milestone in Seiko's 1977 lineup. It features a White dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-d4fe8139d5d0]

Also known as: Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1977

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