Seiko Cal. 3861 - 616

The Seiko 3861-616 represents an important milestone in Seiko's 1969 lineup. It features a Green dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-85456cef6a4b]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1969

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