Seiko Cal. 3856 - 661

The Seiko 3856-661 represents an important milestone in Seiko's 1980 lineup. It features a White dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-dae9caacf1c4]

Also known as: Tuna, Pogue

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1980

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