Seiko Cal. 6316 - 370

The Seiko 6316-370 represents an important milestone in Seiko's 1965 lineup. With its 20mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-e9f4e29772d2]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1965

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